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    • 2. 发明申请
    • Method for manufacturing a metal tubular blank, a tubular blank, and a product produced from said tubular blank
    • 用于制造金属管状坯料,管状坯料和由所述管状坯料制成的产品的方法
    • US20050223768A1
    • 2005-10-13
    • US11101656
    • 2005-04-08
    • Maarten KelderMaria Klaassen
    • Maarten KelderMaria Klaassen
    • B21C37/06B21D26/02
    • B21C37/06
    • Disclosed is a method for manufacturing a metal tubular blank suitable for forming into a product comprising the steps of: providing an essentially planar blank, said planar blank having a first surface and a second surface; and producing the tubular blank from the planar blank whereby the second surface of the planar blank becomes the outside of the tubular blank; wherein a first layer with a first friction influencing function is applied to at least part of the first side of the planar blank and/or a second layer with a second friction influencing function is applied to at least part of the second side of the planar blank prior to forming the planar blank into a tubular blank, so as to influence the friction between the tubular blank and forming tools which can be used to form the tubular blank into the product, and wherein the first and/or second layer are applied in the form of a foil, a dry lubricant, a wax or an oil. Also disclosed is a tubular blank and a product produced from such a tubular blank.
    • 公开了一种用于制造适于形成产品的金属管状坯料的方法,包括以下步骤:提供基本上平面的坯料,所述平面坯料具有第一表面和第二表面; 以及从所述平面坯料制造所述管状坯料,由此所述平面坯料的第二表面变为所述管状坯料的外部; 其中具有第一摩擦影响功能的第一层被施加到平面坯料的第一侧的至少一部分和/或具有第二摩擦影响功能的第二层施加到平面坯料的第二侧的至少一部分 在将平面坯料形成管状坯料之前,以便影响管状坯料与成形工具之间的摩擦,所述成型工具可用于将管状坯料形成到产品中,并且其中将第一和/或第二层施加在 形式的箔,干润滑剂,蜡或油。 还公开了一种管状坯料和由这种管状坯料制成的产品。